Chromium Crusher 3 Inch 4 Piece Tobacco Spice Herb Grinder - Gun Metal Includes Limited Lifetime Warranty 3.0" Diameter x 1.75" Height Heavy duty and durable zinc alloy construction - Pollen Scraper Included Durable ring included designed to for an easy and fast grinding experience 4 piece, 3 chamber design - Mesh screen for fine pollen filtering